/*
Copyright (c) 2008, Oleg S. Estekhin
All rights reserved.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:

    * Redistributions of source code must retain the above copyright notice,
      this list of conditions and the following disclaimer.
    * Redistributions in binary form must reproduce the above copyright notice,
      this list of conditions and the following disclaimer in the documentation
      and/or other materials provided with the distribution.
    * Neither the name of the copyright holders nor the names of its
      contributors may be used to endorse or promote products derived from this
      software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package ebml.viewer;

import ebml.ElementDescriptorProvider;
import ebml.VInteger;
import ebml.viewer.table.ExtendedTableModel;

/** Manages the known elements. */
public final class ElementListTableModelProvider {

    private final ElementListTableModel tableModel;


    /**
     * Creates a new <code>ElementListTableModelProvider</code> object.
     *
     * @param descriptorProvider the element descriptor provider
     *
     * @throws NullPointerException if <code>descriptorProvider</code> is <code>null</code>
     */
    public ElementListTableModelProvider(ElementDescriptorProvider descriptorProvider) {
        tableModel = new ElementListTableModel(descriptorProvider);
    }


    /**
     * Returns the <code>TableModel</code> constructed by this provider.
     *
     * @return the table model
     */
    public ExtendedTableModel getTableModel() {
        return tableModel;
    }


    /**
     * Returns <code>true</code> if the viewer should load the contents of the element with the specified identifier.
     *
     * @param identifier the element identifier
     *
     * @return <code>true</code> if the element contents should be loaded
     *
     * @throws NullPointerException if <code>identifier</code> is <code>null</code>
     */
    public boolean isLoadContents(VInteger identifier) {
        return tableModel.isLoadContents(identifier);
    }

    /**
     * Determines whether the viewer should load the contents of the element with the specified identifier.
     *
     * @param identifier the element identifier
     * @param value whether or not to load the element contents
     *
     * @throws NullPointerException if <code>identifier</code> is <code>null</code>
     */
    public void setLoadContents(VInteger identifier, boolean value) {
        tableModel.setLoadContents(identifier, value);
    }

}
